In this security system is based on the embedded system along with GSM and sensor networks. The human movement is detected using the PIR sensors.

Security and observation are fundamental in different applications, counting private security, mechanical checking, and smart city administration. This paper presents a cost-effective, remote human ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network… ...